000 00300nam a2200133Ia 4500
020 _a3598108427
082 _a032
_bENC
100 _a-
245 _aEncyclopedia of world Problems and Human potential
_c-
250 _a3
260 _aNewyork
_bK.G.Saur Munchen
_c1991
300 _a1188
942 _cREF
999 _c2451
_d2451